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Section and category

Medical History.Personal


Description

“Year of last hospitalisation for a peptic ulcer”


Additional information

Metadata
validation Hard max: Current year
contents 4 digit year
hard_min 1904
is_mandatory No
is_dependent_on peptic_ulcer_diag

Data summary

Resurvey 1




mean sd min q1 med q3 max mad iqr cv skewness se.skewness kurtosis n.valid pct.valid
1994.49 12.73 1952 1987 1999 2005 2008 10.38 18 0.01 -1.02 0.18 0.25 189 0.95

Resurvey 2




mean sd min q1 med q3 max mad iqr cv skewness se.skewness kurtosis n.valid pct.valid
1999.46 13.69 1962 1990.5 2005 2011 2014 11.12 20.25 0.01 -0.88 0.16 -0.36 232 0.92




Between-survey agreement

[1] “Spearman’s correlation matrix:”

Resurvey1 Resurvey2
Resurvey1 1.000 0.739
Resurvey2 0.739 1.000


International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024